EP2895263A1 - Strukturierte hochleistungsverkapselung für eine flüssigkeitskontaktsäule - Google Patents

Strukturierte hochleistungsverkapselung für eine flüssigkeitskontaktsäule

Info

Publication number
EP2895263A1
EP2895263A1 EP13762167.8A EP13762167A EP2895263A1 EP 2895263 A1 EP2895263 A1 EP 2895263A1 EP 13762167 A EP13762167 A EP 13762167A EP 2895263 A1 EP2895263 A1 EP 2895263A1
Authority
EP
European Patent Office
Prior art keywords
plate
plates
edges
zone
adjacent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13762167.8A
Other languages
English (en)
French (fr)
Other versions
EP2895263B1 (de
Inventor
Ludovic Raynal
Raphael GONNOT
Mickael MEJEAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of EP2895263A1 publication Critical patent/EP2895263A1/de
Application granted granted Critical
Publication of EP2895263B1 publication Critical patent/EP2895263B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/3221—Corrugated sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32213—Plurality of essentially parallel sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32237—Sheets comprising apertures or perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32237—Sheets comprising apertures or perforations
    • B01J2219/32241—Louvres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32248—Sheets comprising areas that are raised or sunken from the plane of the sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32248—Sheets comprising areas that are raised or sunken from the plane of the sheet
    • B01J2219/32251—Dimples, bossages, protrusions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32255—Other details of the sheets
    • B01J2219/32258—Details relating to the extremities of the sheets, such as a change in corrugation geometry or sawtooth edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32255—Other details of the sheets
    • B01J2219/32262—Dimensions or size aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32265—Sheets characterised by the orientation of blocks of sheets

Definitions

  • the present invention relates to the field of equipment for contacting fluids.
  • the contacting columns are intended to put in contact fluids in order to achieve transfers of material or heat between the fluids.
  • This type of fluid contacting equipment is widely used to perform distillation, rectification, absorption, heat exchange, extraction, chemical reaction, etc. operations.
  • the contacting columns generally consist of a cylindrical chamber provided with internal contacting elements promoting the exchange between the fluids.
  • the fluids can circulate in co-current or against the current.
  • the column makes it possible to intimately contact an ascending gas phase with a descending liquid phase.
  • the contacting elements which increase the contact area between the fluids may be trays, structured packings, that is to say the juxtaposition of several unitary elements arranged in an orderly manner, for example corrugated sheets, or loose packings, that is to say anarchic stacks of unitary elements, for example rings, spirals.
  • the structured packings may consist of sheets folded and arranged in an organized manner in the form of large blocks as described for example in US 3,679,537 and US 4,296,050.
  • the new generation bulk packings are generally made of metal elements with perforations and bow portions of sophisticated shapes.
  • the structured packings have the advantage of offering a large geometric area for a given representative diameter, in general the hydraulic diameter of the channels, whereas their effective area is less than or close to their geometric area.
  • loose packings offer rather low geometric area values in view of their characteristic size, but they can develop transfer-efficient areas greater than their geometric areas.
  • Patent Application US 2010/0213625 discloses a packing combining the advantages of structured packings and the advantages of bulk packings.
  • Such structured packing is constructed in such a way that the bulk packing characteristics are found, in particular inducing detachments of liquid from the surface of the packing and making it possible to develop an effective area substantially greater than its geometric area.
  • This lining (FIG. 1) is composed of a stack of plates (FIGS.
  • each plate being inscribed between two parallel planes spaced apart by a value of between 5 and 50 mm.
  • the corrugations form a succession of positive (at the top of a channel, CA2) and negative (hollow channel, CA1) stops which comprise fins inscribed between said two parallel planes.
  • the fins are formed by cutting and deformation of a band B. This band B is cut into notches C1 and C2. The cuts C1 and C2 form an angle of 90 ° with respect to the main direction of the channels.
  • Band B remains attached to the plate at its ends E1 and E2.
  • the band B is deformed so as to form a triangular shape substantially symmetrical to its initial shape, with respect to the meridian plane P.
  • the width L of a band B is approximately equal to the distance separating two contiguous bands along a channel (between 1 and 15 mm).
  • the direction (D) of the edges of a plate forms a non-zero angle with respect to the direction (D ') of the edges of an adjacent plate.
  • the positions of two consecutive plates are such that the main directions of the edges of each of the two plates vary from 60 to 90 °. Two consecutive plates being mounted vis-à-vis one another.
  • FIG. 4 and FIG. 5 respectively show two possible cases of contact between two consecutive plates.
  • a contact between two plates is good when this contact occurs between a positive stop of a plate and a negative stop of an adjacent plate.
  • FIG. 4 there is correspondence between two areas without openings and there is a good contact between the plates so that they are not likely to interpenetrate.
  • FIG. 5 there is a match between, on the one hand, a zone without opening (lower plate) and, on the other hand, an area with opening (upper plate); there is therefore no good contact between the plates so that they can interpenetrate, so that a satisfactory assembly is not possible with an implementation compatible with industrial production.
  • the probability of bad contacts is illustrated in FIG. 6. This figure corresponds to a 2D view of two superposed plates.
  • the subject of the invention relates to a packing combining the advantages of structured packings and the advantages of loose packings, such as the packings described in document US 2010/0213625, in which the number of good contacts is maximized by means of at least one longitudinal zone parallel to one of the edges of the plate, in which the edges do not comprise an orifice.
  • the invention relates to a structured packing of a fluid exchange column defining an exchange surface for at least one liquid phase intended to be in intimate contact with at least one gaseous phase, said packing consisting of a stack of plates comprising corrugations, each plate being inscribed between two parallel planes (L1; L2), said undulations forming a succession of positive and negative stops, each stop comprising fins (A) inscribed between said two parallel planes each of said fins being constituted by at least one strip (B) cut from one of said plates, the width (L) of the strip being between 1 and 15 mm, the strip remaining secured to the plate by at least one side (E) E2) and the strip being deformed so as to create an orifice forming a discontinuity on the surface of the plate, and in which the direction (D) of the edges of a plate forms e a non-zero angle with respect to the direction (D ') of the edges of an adjacent plate.
  • each plate has at least one longitudinal zone parallel to one of the edges of the plate, in which the edges do not comprise an orifice, the said zones being positioned so that two adjacent plates have their said zone one above the other to form at least one point of contact between a positive stop and a negative stop of the two adjacent plates.
  • each plate may comprise at least one zone in the center of the plate and / or in the periphery of the plate.
  • each plate has an area in the center of the plate, and an area near the edge.
  • each longitudinal zone may extend over the entire length of the edge of the plate of which it is parallel.
  • the width of a longitudinal zone may be greater than or equal to the width (E1, E2) of the fins strips.
  • the invention also relates to a fluid contacting column comprising a plurality of blocks comprising structured packings according to the invention, wherein said direction of the channels of the packings is oriented at an angle of between 10 ° and 75 ° relative to the axis of the column and wherein the median planes of the structured packing of one of said blocks form an angle of between 20 ° and 90 ° relative to the median planes of the adjacent blocks.
  • the invention also relates to an application of a contacting column according to the invention to the drying of gas, the deacidification of a natural gas, the decarbonation of fumes, the treatment of the tail gas of a Claus process. or distillation.
  • FIG. 1 represents a lining composed of a stack of corrugated plates comprising fins.
  • Figure 2 shows schematically a corrugated plate shape shown without the fins.
  • Figures 3A and 3B show a strip cut in a channel of a corrugated plate.
  • Figure 4 shows a case of good contact between two consecutive plates.
  • Figure 5 shows a case of poor contact between two consecutive plates.
  • Figure 6 illustrates the probability of poor contact and good contact between two consecutive plates.
  • Figure 7 illustrates a schematic of a packing plate with three areas devoid of openings.
  • Figure 8 shows a case of two packing plates with three zones devoid of openings and highlighting points of good contacts (dashed lines).
  • Figures 2, 3A and 3B show a rectangular corrugated sheet or plate which constitutes the base of the structured packing according to the invention. The undulations are framed between two parallel planes L1 and L2 relatively close. The distance h between Ll and L2 may be between 5 mm and 50 mm, preferably greater than 10 mm, and preferably between 10 mm and 30 mm.
  • the meridian plane P divides the space between L1 and L2 into two equal parts. In FIGS.
  • the corrugations are in the form of a triangle and are distributed on either side of the meridian plane P: a portion of the undulations being situated on one side of the plane P, the other part of the undulations being on the other side of the plane P.
  • the undulations form a succession of channels which extend in the direction marked by the arrow D.
  • the channel CA1 is located below the plane P.
  • the channel CA2 contiguous to the channel CA1 is located above the plane P.
  • the corrugated sheets occupy a maximum area in the flat slice defined by the planes L1 and L2.
  • a channel has either a positive stop (CA2) or a negative stop (CA1).
  • corrugation of the plates can be used to form a structured packing according to the invention.
  • plates having sinusoidal corrugations can be used. It is possible to implement corrugations that are not symmetrical, for example a series of semicircles and triangles. It is also possible to use plates having irregular and random corrugations.
  • the corrugations that form a succession of positive (at the top of a channel) and negative (hollow channel) stops have fins inscribed between the two planes. parallel.
  • Each of the fins is constituted by at least one strip cut in one of the plates, the width of the strip being between 1 and 15 mm, the strip remaining secured to the plate by at least one side and the strip being deformed so as to create an orifice forming a discontinuity on the surface of the plate.
  • the direction (D) of the edges of a plate forms a non-zero angle with respect to the direction (D ') of the edges of an adjacent plate,
  • the positions of two consecutive plates are such that the main directions of the edges of each of the two plates vary from 60 to 90 °.
  • the plates are modified so as to maximize the number of good contacts between two plates, that is to say contacts occurring between a positive edge of a plate and a negative edge of an adjacent plate.
  • each plate comprises at least one longitudinal zone parallel to one of the edges of the plate, in which the edges do not comprise an orifice. These areas are positioned in the structured packing so that two adjacent plates have their area one above the other to form at least one point of contact between a positive stop and a negative stop of the two adjacent plates.
  • each longitudinal zone extends over the entire length of the edge of the plate of which it is parallel.
  • the width of a longitudinal zone is greater than or equal to the width (E1, E2) of the fins strips.
  • the diagram of FIG. 7 represents a front view of a corrugated plate of height H and length L.
  • the height H fixes the height of the packing blocks, it is generally close to 20 cm but can be between 2 cm and 1 m, preferably between 10 cm and 30 cm.
  • the length L is variable and depends on the diameter of the column in which the lining is installed, this diameter ranging from typically 5 cm up to 15 m. For conventional industrial columns, that is to say having a diameter greater than 1 meter, the lengths are preferably between 0.5 and 3 m and preferably between 1 and 2 m.
  • the plate of Figure 7 is provided with three zones, A, B and C, devoid of openings; these areas follow the direction perpendicular to the height of the plates.
  • Figure 8 corresponds to the case of Figure 6 but with use of the present invention with three areas devoid of openings. We now see that the proportion of good contacts is much greater than in the previous case, we go from 25% good contacts to 33%, and especially we reduce the plate length without good contact by a factor of two.
  • the corrugated sheets with fins are stacked to form a structured packing.
  • the direction of the channels of a corrugated sheet is shifted with respect to the direction of the channels of the adjacent sheets, for example at an angle of between 20 ° and 90 °, preferably at an angle having a substantially similar value. 90 °.
  • the packing according to the invention can be used for the drying of gas, the acidification of a natural gas, the decarbonation of fumes and the tail gas treatment of a Claus process.
  • the gas to be treated is contacted with a liquid absorbent solution in a contacting column.
  • This column comprises a plurality of blocks comprising structured packings according to the invention, in which the direction of the channels of the packings is oriented at an angle of between 10 ° and 75 ° with respect to the axis of the column and in which the median planes of structured packing of one of said blocks form an angle of between 20 ° and 90 ° with respect to the median planes of the adjacent blocks.
  • the packing according to the invention can be used for the distillation, in particular for the distillation of hydrocarbon cuts.
  • the lining according to the invention is located in a column provided with at least one feed and two withdrawals, a heavy phase and a light phase.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Gas Separation By Absorption (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP13762167.8A 2012-09-11 2013-08-12 Strukturierte hochleistungsverkapselung für eine flüssigkeitskontaktsäule Active EP2895263B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1202421A FR2995223B1 (fr) 2012-09-11 2012-09-11 Garnissage structure haute performance pour colonne de mise en contact de fluides
PCT/FR2013/051927 WO2014041270A1 (fr) 2012-09-11 2013-08-12 Garnissage structuré haute performance pour colonne de mise en contact de fluides

Publications (2)

Publication Number Publication Date
EP2895263A1 true EP2895263A1 (de) 2015-07-22
EP2895263B1 EP2895263B1 (de) 2016-10-12

Family

ID=47137781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13762167.8A Active EP2895263B1 (de) 2012-09-11 2013-08-12 Strukturierte hochleistungsverkapselung für eine flüssigkeitskontaktsäule

Country Status (10)

Country Link
US (1) US9339786B2 (de)
EP (1) EP2895263B1 (de)
CN (1) CN104602805B (de)
AU (1) AU2013316952B2 (de)
BR (1) BR112015004799B1 (de)
CA (1) CA2881777C (de)
ES (1) ES2608864T3 (de)
FR (1) FR2995223B1 (de)
RU (1) RU2638980C2 (de)
WO (1) WO2014041270A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2995224B1 (fr) * 2012-09-11 2014-09-12 IFP Energies Nouvelles Garnissage haute performance pour colonne de mise en contact de fluides
FR3059570A1 (fr) 2016-12-07 2018-06-08 IFP Energies Nouvelles Procede de fabrication d'un garnissage structure par une methode de fabrication additive
FR3059914B1 (fr) * 2016-12-14 2020-03-20 IFP Energies Nouvelles Nouveau garnissage pour ameliorer le contact entre une phase gaz et une phase solide dispersee s'ecoulant a contre courant
US10953382B2 (en) * 2017-06-09 2021-03-23 Koch-Glitsch, Lp Structured packing module for mass transfer columns
DE102018221652A1 (de) * 2018-12-13 2020-06-18 Sgl Carbon Se Füllkörper

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Also Published As

Publication number Publication date
FR2995223B1 (fr) 2014-09-12
FR2995223A1 (fr) 2014-03-14
RU2015112968A (ru) 2016-11-10
RU2638980C2 (ru) 2017-12-19
US9339786B2 (en) 2016-05-17
AU2013316952B2 (en) 2017-06-08
BR112015004799A2 (pt) 2017-07-04
AU2013316952A1 (en) 2015-03-26
CA2881777A1 (fr) 2014-03-20
US20150231597A1 (en) 2015-08-20
CN104602805B (zh) 2016-08-24
ES2608864T3 (es) 2017-04-17
CA2881777C (fr) 2020-07-07
CN104602805A (zh) 2015-05-06
BR112015004799B1 (pt) 2020-09-24
EP2895263B1 (de) 2016-10-12
WO2014041270A1 (fr) 2014-03-20

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